Thomas Gleixner | 2874c5f | 2019-05-27 08:55:01 +0200 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
Masahide NAKAMURA | 558f82e | 2007-12-20 20:42:57 -0800 | [diff] [blame] | 2 | /* |
| 3 | * xfrm_proc.c |
| 4 | * |
| 5 | * Copyright (C)2006-2007 USAGI/WIDE Project |
| 6 | * |
| 7 | * Authors: Masahide NAKAMURA <nakam@linux-ipv6.org> |
Masahide NAKAMURA | 558f82e | 2007-12-20 20:42:57 -0800 | [diff] [blame] | 8 | */ |
| 9 | #include <linux/proc_fs.h> |
| 10 | #include <linux/seq_file.h> |
Paul Gortmaker | bc3b2d7 | 2011-07-15 11:47:34 -0400 | [diff] [blame] | 11 | #include <linux/export.h> |
Masahide NAKAMURA | 558f82e | 2007-12-20 20:42:57 -0800 | [diff] [blame] | 12 | #include <net/snmp.h> |
| 13 | #include <net/xfrm.h> |
| 14 | |
Alexey Dobriyan | 5833929 | 2010-01-22 10:17:26 +0000 | [diff] [blame] | 15 | static const struct snmp_mib xfrm_mib_list[] = { |
Masahide NAKAMURA | 558f82e | 2007-12-20 20:42:57 -0800 | [diff] [blame] | 16 | SNMP_MIB_ITEM("XfrmInError", LINUX_MIB_XFRMINERROR), |
| 17 | SNMP_MIB_ITEM("XfrmInBufferError", LINUX_MIB_XFRMINBUFFERERROR), |
| 18 | SNMP_MIB_ITEM("XfrmInHdrError", LINUX_MIB_XFRMINHDRERROR), |
| 19 | SNMP_MIB_ITEM("XfrmInNoStates", LINUX_MIB_XFRMINNOSTATES), |
| 20 | SNMP_MIB_ITEM("XfrmInStateProtoError", LINUX_MIB_XFRMINSTATEPROTOERROR), |
| 21 | SNMP_MIB_ITEM("XfrmInStateModeError", LINUX_MIB_XFRMINSTATEMODEERROR), |
Masahide NAKAMURA | 9472c9e | 2008-01-31 17:14:58 -0800 | [diff] [blame] | 22 | SNMP_MIB_ITEM("XfrmInStateSeqError", LINUX_MIB_XFRMINSTATESEQERROR), |
Masahide NAKAMURA | 558f82e | 2007-12-20 20:42:57 -0800 | [diff] [blame] | 23 | SNMP_MIB_ITEM("XfrmInStateExpired", LINUX_MIB_XFRMINSTATEEXPIRED), |
| 24 | SNMP_MIB_ITEM("XfrmInStateMismatch", LINUX_MIB_XFRMINSTATEMISMATCH), |
| 25 | SNMP_MIB_ITEM("XfrmInStateInvalid", LINUX_MIB_XFRMINSTATEINVALID), |
| 26 | SNMP_MIB_ITEM("XfrmInTmplMismatch", LINUX_MIB_XFRMINTMPLMISMATCH), |
| 27 | SNMP_MIB_ITEM("XfrmInNoPols", LINUX_MIB_XFRMINNOPOLS), |
| 28 | SNMP_MIB_ITEM("XfrmInPolBlock", LINUX_MIB_XFRMINPOLBLOCK), |
| 29 | SNMP_MIB_ITEM("XfrmInPolError", LINUX_MIB_XFRMINPOLERROR), |
| 30 | SNMP_MIB_ITEM("XfrmOutError", LINUX_MIB_XFRMOUTERROR), |
| 31 | SNMP_MIB_ITEM("XfrmOutBundleGenError", LINUX_MIB_XFRMOUTBUNDLEGENERROR), |
| 32 | SNMP_MIB_ITEM("XfrmOutBundleCheckError", LINUX_MIB_XFRMOUTBUNDLECHECKERROR), |
| 33 | SNMP_MIB_ITEM("XfrmOutNoStates", LINUX_MIB_XFRMOUTNOSTATES), |
| 34 | SNMP_MIB_ITEM("XfrmOutStateProtoError", LINUX_MIB_XFRMOUTSTATEPROTOERROR), |
| 35 | SNMP_MIB_ITEM("XfrmOutStateModeError", LINUX_MIB_XFRMOUTSTATEMODEERROR), |
Masahide NAKAMURA | 9472c9e | 2008-01-31 17:14:58 -0800 | [diff] [blame] | 36 | SNMP_MIB_ITEM("XfrmOutStateSeqError", LINUX_MIB_XFRMOUTSTATESEQERROR), |
Masahide NAKAMURA | 558f82e | 2007-12-20 20:42:57 -0800 | [diff] [blame] | 37 | SNMP_MIB_ITEM("XfrmOutStateExpired", LINUX_MIB_XFRMOUTSTATEEXPIRED), |
| 38 | SNMP_MIB_ITEM("XfrmOutPolBlock", LINUX_MIB_XFRMOUTPOLBLOCK), |
| 39 | SNMP_MIB_ITEM("XfrmOutPolDead", LINUX_MIB_XFRMOUTPOLDEAD), |
| 40 | SNMP_MIB_ITEM("XfrmOutPolError", LINUX_MIB_XFRMOUTPOLERROR), |
jamal | 72032fd | 2010-02-18 03:35:07 +0000 | [diff] [blame] | 41 | SNMP_MIB_ITEM("XfrmFwdHdrError", LINUX_MIB_XFRMFWDHDRERROR), |
Li RongQing | bb65a9c | 2012-12-28 16:06:28 +0800 | [diff] [blame] | 42 | SNMP_MIB_ITEM("XfrmOutStateInvalid", LINUX_MIB_XFRMOUTSTATEINVALID), |
Fan Du | 4c4d41f | 2013-06-06 10:15:54 +0800 | [diff] [blame] | 43 | SNMP_MIB_ITEM("XfrmAcquireError", LINUX_MIB_XFRMACQUIREERROR), |
Masahide NAKAMURA | 558f82e | 2007-12-20 20:42:57 -0800 | [diff] [blame] | 44 | SNMP_MIB_SENTINEL |
| 45 | }; |
| 46 | |
Masahide NAKAMURA | 558f82e | 2007-12-20 20:42:57 -0800 | [diff] [blame] | 47 | static int xfrm_statistics_seq_show(struct seq_file *seq, void *v) |
| 48 | { |
Jia He | 07613873 | 2016-09-30 11:29:02 +0800 | [diff] [blame] | 49 | unsigned long buff[LINUX_MIB_XFRMMAX]; |
Alexey Dobriyan | c68cd1a | 2008-11-25 18:00:14 -0800 | [diff] [blame] | 50 | struct net *net = seq->private; |
Masahide NAKAMURA | 558f82e | 2007-12-20 20:42:57 -0800 | [diff] [blame] | 51 | int i; |
Jia He | 07613873 | 2016-09-30 11:29:02 +0800 | [diff] [blame] | 52 | |
| 53 | memset(buff, 0, sizeof(unsigned long) * LINUX_MIB_XFRMMAX); |
| 54 | |
| 55 | snmp_get_cpu_field_batch(buff, xfrm_mib_list, |
| 56 | net->mib.xfrm_statistics); |
Weilong Chen | 9b7a787 | 2013-12-24 09:43:46 +0800 | [diff] [blame] | 57 | for (i = 0; xfrm_mib_list[i].name; i++) |
Masahide NAKAMURA | 558f82e | 2007-12-20 20:42:57 -0800 | [diff] [blame] | 58 | seq_printf(seq, "%-24s\t%lu\n", xfrm_mib_list[i].name, |
Jia He | 07613873 | 2016-09-30 11:29:02 +0800 | [diff] [blame] | 59 | buff[i]); |
| 60 | |
Masahide NAKAMURA | 558f82e | 2007-12-20 20:42:57 -0800 | [diff] [blame] | 61 | return 0; |
| 62 | } |
| 63 | |
Alexey Dobriyan | c68cd1a | 2008-11-25 18:00:14 -0800 | [diff] [blame] | 64 | int __net_init xfrm_proc_init(struct net *net) |
Masahide NAKAMURA | 558f82e | 2007-12-20 20:42:57 -0800 | [diff] [blame] | 65 | { |
Christoph Hellwig | 3617d94 | 2018-04-13 20:38:35 +0200 | [diff] [blame] | 66 | if (!proc_create_net_single("xfrm_stat", 0444, net->proc_net, |
| 67 | xfrm_statistics_seq_show, NULL)) |
Alexey Dobriyan | c68cd1a | 2008-11-25 18:00:14 -0800 | [diff] [blame] | 68 | return -ENOMEM; |
| 69 | return 0; |
| 70 | } |
Masahide NAKAMURA | 558f82e | 2007-12-20 20:42:57 -0800 | [diff] [blame] | 71 | |
Alexey Dobriyan | c68cd1a | 2008-11-25 18:00:14 -0800 | [diff] [blame] | 72 | void xfrm_proc_fini(struct net *net) |
| 73 | { |
Gao feng | ece31ff | 2013-02-18 01:34:56 +0000 | [diff] [blame] | 74 | remove_proc_entry("xfrm_stat", net->proc_net); |
Masahide NAKAMURA | 558f82e | 2007-12-20 20:42:57 -0800 | [diff] [blame] | 75 | } |